/// <summary>Handles the specified expression.</summary>
/// <param name="asExpression">As expression.</param>
/// <param name="scopeParameters">The parameters.</param>
/// <returns>Returns the string.</returns>
public ExpressionDescriptor Handle(IAsExpression asExpression, Dictionary<string, string> scopeParameters)
{
var operand = asExpression.Operand;
if (operand == null)
{
return null;
}
var type = asExpression.TypeOperand;
if (type == null)
{
return null;
}
var expressionDescriptor = ExpressionTemplateBuilder.Handle(operand, scopeParameters);
if (expressionDescriptor == null)
{
return null;
}
var result = new ExpressionDescriptor
{
Template = string.Format("{0} {1} {2}", expressionDescriptor.Template, asExpression.OperatorSign.GetTokenType().TokenRepresentation, type.GetText())
};
foreach (var variable in expressionDescriptor.TemplateVariables)
{
result.TemplateVariables[variable.Key] = variable.Value;
}
return result;
}
public override IAssignableExpression VisitAsExpression(IAsExpression expr, IList <IStatement> body)
{
return(new CastExpression
{
Reference = ToVariableRef(expr.Operand, body),
TargetType = expr.Type().GetName()
});
}